A possible active galactic nucleus in M82?

Details A possible active galactic nucleus in M82? A possible active galactic nucleus in M82?

May 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999mnras.305..680w&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 305, Issue 3, pp. 680-684.

Astronomy and Astrophysics

Astronomy

14

Supernova Remnants, Galaxies: Active, Galaxies: Individual: M82, Galaxies: Nuclei, Galaxies: Starburst, Radio Continuum: Galaxies

Scientific paper

MERLIN and VLA observations of the galaxy M82 have detected a jet-like elongated radio continuum feature emanating from one of the compact sources, 44.01+59.6, embedded in the starburst. The proximity of this source to the dynamical centre of M82 led us to suspect that it could be a weak active nucleus rather than a supernova remnant. We have imaged this source using the EVN at 15 mas and, although it shows a compact shell-like structure which could be consistent with a supernova remnant, we note that the image shows a bright region within the source which is elongated along the jet direction. There are distinct similarities between this source and the Sgr A complex in the centre of our own Galaxy, and by analogy we suggest that 44.01+59.6 may also harbour a weak active galactic nucleus.

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